20172765080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2281987}}^1$

素因数の和:2282028

約数の個数: 64

約数和(自身を含む): 51755487840

約数和(自身を除く): 31582722760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 2281987, 4563974, 9127948, 11409935, 18255896, 22819870, 29665831, 38793779, 45639740, 59331662, 77587558, 91279480, 118663324, 148329155, 155175116, 193968895, 237326648, 296658310, 310350232, 387937790, 504319127, 593316620, 775875580, 1008638254, 1186633240, 1551751160, 2017276508, 2521595635, 4034553016, 5043191270, 10086382540, 20172765080]

約数ペア:

[(1, 20172765080), (2, 10086382540), (4, 5043191270), (5, 4034553016), (8, 2521595635), (10, 2017276508), (13, 1551751160), (17, 1186633240), (20, 1008638254), (26, 775875580), (34, 593316620), (40, 504319127), (52, 387937790), (65, 310350232), (68, 296658310), (85, 237326648), (104, 193968895), (130, 155175116), (136, 148329155), (170, 118663324), (221, 91279480), (260, 77587558), (340, 59331662), (442, 45639740), (520, 38793779), (680, 29665831), (884, 22819870), (1105, 18255896), (1768, 11409935), (2210, 9127948), (4420, 4563974), (8840, 2281987)]